Volts Total Length of Cord in Feet | Black & Decker 90556352

90556352 ST4500.qxd: chainsaw booklet new 10/20/09 8:03 AM Page 3

persons in the work area. Also use a hard hat, hearing protection, gloves, safety shoes and dust collection systems when specified or required. Safety glasses or the like are available at extra cost at your local dealer or Black & Decker Service Center.

•DON’T ABUSE CORD. Never carry appliance by cord or yank it to disconnect from receptacle. Keep cord from heat, oil, and sharp edges.

•DON’T OVERREACH. Keep proper footing and balance at all times.

•MAINTAIN APPLIANCE WITH CARE. Keep cutting edge sharp and clean for best performance and to reduce the risk of injury. Follow instructions for lubricating and changing accessories. Inspect appliance cord periodically and if damaged, have it repaired by authorized service facility. Inspect extension cords periodically and replace if damaged. Keep handles dry, clean, and free from oil and grease.

•DISCONNECT APPLIANCES. Disconnect the appliance from the power supply when not in use, before servicing, and when changing accessories such as blades and the like.

•AVOID UNINTENTIONAL STARTING. Donʼt carry plugged-in appliance with finger on switch. Be sure switch is off when plugging in.

•GROUND FAULT CIRCUIT INTERRUPTER (GFCI) protection should be provided on the circuits or outlets to be used for the gardening appliance. Receptacles are available having built in GFCI protection and may be used for this measure of safety.

•STAY ALERT. Watch what you are doing. Use common sense. Do not operate appliance when you are tired.

•CHECK DAMAGED PARTS. Before further use of the appliance, a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting and any other conditions that may affect its operation. A guard or other part that is damaged should be properly repaired or replaced by an authorized service center unless otherwise indicated elsewhere in this manual.

•USE OF ACCESSORIES AND ATTACHMENTS. The use of any

accessory or attachment not recommended for use with this appliance could be hazardous. Note: Refer to the accessory section of this manual for further details.

•EXTENSION CORDS. Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. An undersized extension cord will cause a drop in line voltage resulting in loss of power and overheating. The table below shows the correct size to use depending on cord length and nameplate ampere rating. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the cord. To reduce the risk of disconnection of the appliance from the extension cord during operation, use the extension cord retainer described in this manual.

					Minimum Gauge for Cord Sets
	Volts				Total Length of Cord in Feet
	120V				0-25	26-50	51-100	101-150
					(0-7,6m)	(7,6-15,2m)	(15,2-30,4m) (30,4-45,7m)
		Ampere Rating
	More			Not more		American Wire Gauge
	Than			Than
	0		-	6	18	16	16	14
6			-	10	18	16	14	12
10			-	12	16	16	14	12
12			-	16	14	12	Not Recommended

WARNING: OUTDOOR USE EXTENSION CORDS To reduce the risk of electric shock, use only with an extension cord intended for outdoor use, such as an extension cord of type SW-A,SOW-A,STW-A,STOW-A,SJW-A,SJOW-A,SJTW-A, or SJTOW-A.

•REPAIRS AND SERVICE. Repairs, maintenance and any adjustments not specified in this manual should be performed by Black & Decker authorized service centers or other qualified service organizations, always using identical replacement parts.

90556352, ST7700 specifications

The Black & Decker ST7700,90556352 is a versatile and powerful string trimmer designed to tackle tough landscaping tasks with ease and efficiency. With its robust design and cutting-edge features, this tool is perfect for both residential and commercial use, making lawn care a breeze.

One of the standout features of the ST7700 is its powerful 5 amp motor, which provides ample cutting power for trimming and edging tasks. This motor allows the trimmer to handle thick grass, weeds, and even light brush, ensuring that users can achieve a well-manicured lawn without the hassle of multiple passes. The trimmer’s cutting swath of 13 inches enhances productivity, allowing users to cover larger areas in shorter amounts of time.

The ST7700 employs a corded electric design, eliminating the need for gas and oil, which not only reduces environmental impact but also makes it easier to start and operate. This feature is particularly appealing for those looking to minimize maintenance and upkeep. Users simply plug in the trimmer and are ready to go, without worrying about fuel mixing or engine troubles.

In terms of comfort and usability, the Black & Decker ST7700 is designed with an adjustable handle that provides excellent ergonomics. The handle can be adjusted to different heights, accommodating users of various sizes and ensuring a comfortable grip during extended use. A lightweight design further enhances maneuverability, making it easy to navigate around flower beds, trees, and other obstacles.

Another notable technology in the ST7700 is its automatic feed spool, which helps to streamline the cutting process by ensuring a continuous supply of line without requiring manual adjustments. This allows users to focus on the task at hand without frequent interruptions, making the trimming process more efficient.

In summary, the Black & Decker ST7700,90556352 is a robust and user-friendly string trimmer ideal for homeowners and landscapers alike. With its powerful motor, efficient cutting swath, corded electric design, ergonomic handle, and automatic feed spool, it’s engineered to provide exceptional performance in maintaining tidy lawns. Whether trimming edges or tackling overgrown areas, this trimmer stands out for its reliability and ease of use, making it a valuable addition to any outdoor toolkit.